Woo-hyeol and In-hae develop strange feelings towards each other after the party. Do-sik, who realizes something is going on between them, tries to take them apart by letting In-hae know that Woo-hyeol is a vampire. However, In-hae takes Woo-hyeol's side instead. In a drunken state, Hae-won calls Woo-hyeol, and while he's on his way to drop her off, he discovers a shocking truth. (thetvdb.com)